E! Online reports that Kirsten Prout (Elektra) has come aboard The Twilight Saga: Eclipse.The actress will play the vampire Lucy. This character is a major part of Jasper's backstory and puts together "a bloodsucking army with Catalina Sandino Moreno's Maria. Maria and the newest Cullen will eventually kill her."The Twilight Saga: Eclipse was released June 30th, 2010.